<!DOCTYPE html>
<html lang="en" ng-app="">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .a{
            width: 200px;
        }
        .b{
            height: 20px;
        }
        .c{
            background-color: #CC33CC;
        }
        .d{
            border:20px solid #CC0000;
        }
    </style>
    <script src="../angular.min.js"></script>
</head>
<body ng-init="a='a b c';b=['a','b','c','d']">
<div class="{{a}}"></div>
<br>
<br>
<br>
<br>
<div ng-class="b"></div>
</body>
<script>

</script>
</html>